Proac Respnse 1SC vs 1.5 vs B&W 805N

I was comparing these two speakers not long ago and went with the ProAcs. I found the 1sc to have beautiful clear midrange and a smooth treble. The B&W's treble in comparison sounded a bit too foward and harsh for my taste. I prefered the bass on the proac, faster and more articulate. However, to really rock both these speakers will have to be paired with a sub, and even then both speakers may still be a bit laid back. Soundstaging and imaging with the proacs is fantastic, but i've found that I have to pull the speakers really far from the back wall too achieve this.
i enjoyed listening to both these speakers and the ultimate deciding factor was associated gear. I use tubes so the proac was a far better match.

If you can swing it, definitely the ProAc 1.5. The ProAcs IMO sound much more alive and real than the B&W's, which I've always felt to sound too sterile and sanitized.

I completely agree with Macatron and Karls above(I'm kind of surprised you've heard both the ProAcs and B&Ws and loved them both). In addition, B&Ws are notoriously picky about amplification, so if you're not willing to ditch your McCormack this may be a consideration as well. My experience is that ProAcs will perform well with a wider variety of amps.

I'm using a McCormack DNA-0.5 Rev. A with Soliloquy 5.3s and am getting fantastic results. I like ProAcs too, but Soliloquy offers similar characteristics/performance and is much cheaper. Just a thought. Best of luck.

Tim